Docker 部署，使用PG 数据库环境变量错误

[fevrax]

发现两个问题：

1. 会把 POSTGRES_USER 识别为数据库
2. 配置了 .env 端口变量，但还是会使用默认的 5432

root 是超级用户

辛苦大佬们看下

.env

POSTGRES_HOST=xxxx
POSTGRES_PORT=15432
POSTGRES_USER=root
POSTGRES_PASSWORD=111111
POSTGRES_DATABASE=openwebui_monitor

services:
  app:
    image: docker.io/variantconst/openwebui-monitor:latest
    container_name: openwebui-monitor
    ports:
      - "27878:3000"
    env_file:
      - .env
    environment:
      - POSTGRES_HOST=${POSTGRES_HOST:-db}
      - POSTGRES_PORT=${POSTGRES_PORT:-5432}
      - POSTGRES_USER=${POSTGRES_USER:-postgres}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-openwebui}
      - POSTGRES_DATABASE=${POSTGRES_DATABASE:-openwebui_monitor}
    restart: always

log 日志：

Waiting for PostgreSQL to start...
PostgreSQL is up!
Creating database if not exists...
Connection to xxxxxx 15432 port [tcp/*] succeeded!
psql: error: connection to server at "xxxxxx, port 15432 failed: FATAL:  database "root" does not exist
psql: error: connection to server at xxxxxx, port 15432 failed: FATAL:  database "root" does not exist
Database setup completed!
Initializing database tables...

> openwebui-usage-monitor@0.3.4 db:push /app
> tsx scripts/init-db.ts

Database connection/initialization error: Error: connect ETIMEDOUT xxxxxx:5432
    at /app/node_modules/.pnpm/pg-pool@3.7.0_pg@8.13.1/node_modules/pg-pool/index.js:45:11
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at ensureTablesExist (/app/lib/db.ts:65:14)
    at init (/app/scripts/init-db.ts:5:5) {
  errno: -110,
  code: 'ETIMEDOUT',
  syscall: 'connect',
  address: 'xxxxx',
  port: 5432
}
Database initialization failed: Error: connect ETIMEDOUT xxxxx:5432
    at /app/node_modules/.pnpm/pg-pool@3.7.0_pg@8.13.1/node_modules/pg-pool/index.js:45:11
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at ensureTablesExist (/app/lib/db.ts:65:14)
    at init (/app/scripts/init-db.ts:5:5) {
  errno: -110,
  code: 'ETIMEDOUT',
  syscall: 'connect',
  address: 'xxxxxxx',
  port: 5432
}
 ELIFECYCLE  Command failed with exit code 1.